Pulse Amandla eLasers

Amandla okubetha kwelaser abhekisa kumandla ahanjiswa yilaser pulse ngeyunithi yexesha. Ngokwesiqhelo, iilaser zinokukhupha amaza aqhubekayo (CW) okanye amaza athambileyo, kwaye oku kokugqibela kubaluleke kakhulu kwizicelo ezininzi ezinjengokulungiswa kwezinto, ukuva okude, izixhobo zonyango, kunye nophando lwezenzululwazi. Ukuqonda iimpawu ze-laser pulse energy kubalulekile ekuphuculeni ukusebenza kwayo kunye nokuphucula ukusebenza kakuhle kwesicelo.

1. Inkcazo kunye neSilinganiselo saMandla ePulse

I-Laser pulse energy ngamandla akhutshwa yilaser pulse nganye, edla ngokulinganiswa ngeejoules (J). Ngokungafaniyo ne-laser ye-wave eqhubekayo (CW) lasers, ii-laser ze-pulsed zikhupha amandla ngexesha elifutshane, kwaye ubukhulu bamandla bunxulumene ngokuqhelekileyo nobude be-pulse (ububanzi be-pulse) kunye namandla aphezulu.

Amandla e-Pulse angabalwa kusetyenziswa le fomula ilandelayo: E = Ppeak × τ. Apho u-E ingamandla e-pulse (i-joules), i-Ppeak yincopho yamandla e-pulse (watts), kunye no-τ ubude be-pulse (imizuzwana). Oku kuthetha ukuba amandla e-pulse ahambelana ngokuthe ngqo kuwo omabini amandla aphezulu kunye nobubanzi be-pulse.

2. Izinto ezichaphazela amandla e-Pulse

Izinto ezininzi zinefuthe kwi-pulse energy ye-laser, kubandakanywa:

①Uyilo lweLaser kunye noHlobo:
Iindidi ezahlukeneyo zeelaser zichaphazela ubungakanani bamandla e-pulse. Umzekelo, iilaser zombuso oqinileyo zihlala zinika amandla aphezulu e-pulse, alungele usetyenziso olufuna ukuphuma kwamandla aphezulu. I-Fiber lasers, kwelinye icala, inokuvelisa i-pulses ngamandla aphezulu ngokuhlengahlengisa ubude bawo.

②Ubude bePulse (Pulse Width):
Okukhona kufutshane nobubanzi be-pulse, kokukhona amandla aphezulu aphezulu ngexesha elinikiweyo, elivumela amandla aphezulu e-pulse. Ububanzi be-Pulse kwii-laser ze-pulsed ngokuqhelekileyo zihlengahlengiswa phakathi kwee-nanoseconds kunye ne-piccoseconds, kunye neepulse ezimfutshane zisetyenziswa ngokubanzi kwizicelo ezichanekileyo eziphezulu ngenxa yamandla azo aphezulu.

③Amandla eLaser kunye noGuqulo lwaMandla ngokuFanelekileyo:
Ukusebenza kakuhle kwe-laser kumisela ngokuthe ngqo ukuphuma kwamandla. Ezinye iinkqubo ze-laser zinokuphucula ukusebenza kakuhle koguqulo ngokulungiselela uyilo lwendawo yokuzuza okanye i-laser cavity, ngaloo ndlela inyusa amandla e-pulse.

④Izikhulisi zeLaser:
Kwiinkqubo ezininzi ze-laser ezinamandla aphezulu, ii-amplifiers zisetyenziselwa ukunyusa amandla aphumayo. Ngokwandisa amanqanaba amaninzi, amandla e-pulse anokongezwa kakhulu.

⑤ILaser Drive yangoku:
I-drive current ye-laser diode okanye inkqubo ye-laser yinto ephambili echaphazela amandla ayo okuphuma kunye namandla e-pulse. Ngokulungelelanisa okwangoku, i-laser's excitation state inokuguqulwa, ngaloo ndlela ichaphazela i-pulse energy output.

3. Ukusetyenziswa kweLaser Pulse Energy

Ubungakanani be-laser pulse energy bumisela ukufaneleka kwayo kwiinkalo ezahlukeneyo. Ezinye izicelo eziqhelekileyo ziquka:

①Ukulungiswa kwezinto:
Kwi-laser welding, ukusika, kunye nokukrola, amandla e-pulse anokulawulwa ngokuchanekileyo ukufezekisa ukusebenza kakuhle kunye nokuchaneka okuphezulu. Amandla e-pulse ephezulu afanelekile ukusetyenzwa kwezixhobo zetsimbi, ngelixa i-pulse ene-low-energy isetyenziselwa unyango olusemgangathweni.

②Izicelo zonyango:
Iilaser zepulsed zisetyenziswa kakhulu kwicandelo lezonyango, ngakumbi kuqhaqho lwelaser, unyango lwesikhumba, kunye nonyango lwamehlo. Umzekelo, ii-laser ze-pulsed ezinamandla aphezulu zinokujolisa amandla e-laser obude obuthile kwiindawo ezincinci zokukhupha izicubu ezinesifo okanye ukunyanga iimeko zamehlo.

③I-LiDAR kunye noVavanyo olukude:
Itekhnoloji ye-LiDAR ixhomekeke kwi-laser yamandla e-pulse ephezulu ngokuchaneka kunye nokucinga. Ekubekweni iliso kokusingqongileyo, ukuqhuba ngokuzimeleyo, kunye nokujongwa kwe-drone, ubungakanani bamandla e-pulse buchaphazela ngokuthe ngqo umgama wokubona kunye nesisombululo senkqubo ye-LiDAR.

④Uphando lwezeNzululwazi:
Iilaser ezipholileyo zikwadlala indima ebalulekileyo kuvavanyo lwefiziksi, ikhemistri, kunye nebhayoloji. Ngokulawula ngokuchanekileyo amandla e-pulse, izazinzulu zinokuqhuba i-spectrokopi echanekileyo ephezulu yelaser-induced spectroscopy, i-particle acceleration, kunye nophando lokupholisa ngelaser.

4. Iindlela zokunyusa amandla e-Pulse

Iindlela eziqhelekileyo zokunyusa amandla e-laser pulse ziquka:

①Fumana uPhuculo oluPhakathi:
Ngokukhetha indawo efanelekileyo yokuzuza kunye nokuphucula uyilo lwe-laser cavity, amandla aphumayo e-laser anokongezwa.

②Ukwandiswa kweLaser enamanqanaba amaninzi:
Ii-amplifiers ezinamanqanaba amaninzi zinokunyusa ngokuthe ngcembe amandla okubetha kwelaser ukuhlangabezana neemfuno zezicelo ezahlukeneyo.

③Ukwandisa iDrive yangoku okanye iPulse Width:
Ukulungelelanisa i-laser drive yangoku okanye ububanzi be-pulse kunokubangela amandla amakhulu e-pulse.

④Itekhnoloji yoxinzelelo lwePulse:
Ukusebenzisa iindlela zokunyanzeliswa kwe-pulse, ubude be-pulse bunokufinyezwa, ukwandisa amandla ayo aphezulu kunye nokukhulula amandla amaninzi ngexesha elifutshane.

5. Isiphelo

Amandla e-Laser pulse yiparameter ephambili echaphazela ngokuthe ngqo ukusebenza kunye nokusetyenziswa kwe-lasers kwiinkalo ezahlukeneyo. Ngenkqubela phambili eqhubekayo kwitekhnoloji yelaser, ii-laser zepulsed ziya kuba nezicelo ezibanzi kumashishini amaninzi. Ukusuka kumatshini ochanekileyo ukuya kwivamyo ekude kunye nonyango lwezonyango, ukuphuma kwamandla aphezulu kwi-pulsed lasers kuvula amathuba amatsha. Ukuqonda iikhonsepthi ezisisiseko zamandla e-pulse kunye nefuthe lawo kunokunceda ekwenzeni ukhetho lwenzululwazi ngakumbi xa kuyilwa kwaye kusetyenziswa iinkqubo zelaser.